Further comments to my earlier report regarding: 4 converging lights seen along by Highway 401. These lights were visible for too long and were not stationary or located in one city. I thought I was seeing advertising flood lights when we were near the airport (around Brampton/Mississauga) but much later, when we had driven well beyond that area, the same lights were still visible. The set of lights appeared to be travelling, as they were visible for such a long time out the side windows. They continued like a plane rather than a stationary object, but seemed too low for a plane, and with this usual converging light pattern.We were driving approx 100km/hr on the Highway 401. Advertising flood lights cast a larger fuzzy light. Since they are projected from the ground, you can tell roughly where they are coming from. These were more defined lights and didn't connect with one location on the ground. The converging pattern was more precise than you see with advertising lights. They travelled with us and were visible as we drove along. When we drove past towns, they were fainter, due to lights from buildings, but were definitely still there, and travelled along for some distance.